S Portier
发表
Martin Valcke,
Gilberte Schuyten,
S Portier,
1995
.
S Portier,
H Weges,
1997
.
Martin Valcke,
Gilberte Schuyten,
S Portier,
1995
.
Towards an interactive learning and course development environment for flexible independent learning
Martin Valcke,
S Portier,
R Martens,
1997
.
Martin Valcke,
S Portier,
H Weges,
1997
.
Martin Valcke,
Henry Hermans,
S Portier,
1997
.
Martin Valcke,
S Portier,
R Martens,
1995
.
Martin Valcke,
Henry Hermans,
S Portier,
1996
.
Martin Valcke,
Rob Martens,
S Portier,
1997
.